Cap closure for the mouths of bottles or other containers



Nav. 6, 192s; .V 1,690,148

H. WALLIS ET AL CAP CLOSURE- FOR TI-IE MOUTHS OF BOTTLES OR OTHER CONTAINERS l Filed Aug. 11, 1926 Invena/'S f Har/'y 0. WO//f Miet/7 HRW/n50 Patented Nov. 6, i 1928.

UNIT-Eo STATES- ,l y Leann PATENT er1-Fries.

HARRY GFFORD WALLIS AND KEITH ALEXANDER ROBENSON, LONDON, ENGLAND.

`ce1 oLosUBE non THE Mouans or Bormes on y o'rrnn eoirramnns.

4, `Applicationflied August 11,1926, Serial No.

This invention relates to cap closures for the mouths of bottles and .other containers and refers more particularly to capclosures of the kind which comprise a closure element yfor covering the `mouth of the container and a fastening element for holding said closure element in situ said fastening element consisting of a metallic band stripV bent in to a ring with its two ends fastened together by means of a tongue and slot connection and adapted to be applied around the neck of the container in such a way that.v its two ends must be unfastened before either it or the closure element can be removed.

It is frequently desirable (as when the cap closure isadapted to cover a milk bottle) that l said cap closure having been removed from the container `should not be susceptible of being replaced and various means .have been proposed for ensuring that once said cap c1osure is in situ the tongue and slot connection of said band strip can only be unfastened by destruction.

The object of the invention is the provision of improved means for ensuring this in a simpler manner than heretofore and one i which will permit of band strips ofV small t breadth being constructed.

The invention consists broadly in the arrangement according to which the tongue and slot connection is such that (except. by destruction) the tongue can only be disengaged from the slot by twisting the band strip so that its two ends are transverse to one an-` other. Then thecap is in situ this becomes impossible since the strip is more or less tight on the neck of the container. Y

In order that the invention may be the better understood a cap closure in accordance therewith is illustrated in the accompanying drawings, wherein' Figure l is an elevation of band strip as blanked out.

ligure 2 is a perspective view ofV the same shown before association with the closure element and nearly in the position at which the tongue at one end thereof may be engaged or disengaged from the slot at the other end.

Figure 3 is a` sectional elevationof the comp-lete cap closure shown in situ over the vmouth of a bottle.

Referring to the drawings the closure element takes the form of a disc or cap 6 and the metallic band strip 2 has its upper edge inturned as at 2a so as to engage said top as be broken olf. In the embodiment shown the 125,611j `and in erm imminaprn so, 192e kso as to engage under. the overhanging shoulder 5 formed around the neck of the bottle. Thetongue l of the strip 2 extends from one Vextremity thereof and has a reduced neck The slot 4 takes the form of a hole adjacent the other extremity, whiclrhole is of` greater dimension longitudinally. than laterally ofl thestrip. The neck of the tongue is nar-` rower than the lateral dimension of the hole and is therefore small enough to pass through the slot 4 when the two endsof the strip are in a straight line with one another but the remainder of the tongue, while being narrower than the longitudinal dimension of the hole is wider than the said lateral dimension of the hole. That is to say said remainder of the tongue is too wide to be passed through thev hole t except by twisting the strip a little more than shown in Figure 3 soV that the two ends thereof are transverse to one another.V Then making the cap this can of course be done but once the cap is secured in situ over the mouth of the container with the lower edge of the strip inturned under said shoulder 5 the strip can no longer be thus twisted as this would .involve a reduction ofthe effective circumference, which reduction is ren# dered impossible by said bottle neck. For removing the strip'therefore the tongue must tongue is of spear head formation andthe slot takes the form of a triangle similar to but slightly smaller than the spear headend. The exact form of the vslot and tongue illustrated is obviously not essential.

Vhat we claim and desire to secure by Letters Patent is l. A cap closure embodying therein an annulus formed of a'narrow strip of sheet met-al, the ends of said strip being united by a tongue havingl a reduced neck, at one end of the strip, anda slot adjacent the othery end of the strip, said slot being in length greater than, and in width less than, the width of said tongue, and theportion of said slot adjacent the end of the strip being relatively wider than the neck of said tongue, and said tongue being exposed outwardly ofthe annulus, whereby slight expansion of the lower edge of the annulus is permitted when applysaid slot adjacent the end of the strip being relatively wider than the neck ol said tongue, und said tongue being exposed outwardly of 15 the unnulus, whereby slight expansion of the lower edge of the annulus is permitted when applying the closure to, :1nd The brezlking off of' the tongue is necessary when re moving the closure from, :r bottle.

In witness whereof we affix our signatures.

HARRY CLIFFORD IVLL'IS. KEITH ALEXANDER ROBINSON. 

